//
//  Paper.m
//  复制（NSCopying）
//
//  Created by apple on 15/8/29.
//  Copyright (c) 2015年 戴维营. All rights reserved.
//

#import "Paper.h"

@implementation Paper
- (id)copyWithZone:(NSZone *)zone
{
    Paper *paper = [[[self class] allocWithZone:zone] init];
    paper.weight = _weight;
    
    return paper;
    
}

@end
